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Books Books 1 - 8 of 8 on The constant occurrence of the chromite in rounded masses of varying proportions....
" The constant occurrence of the chromite in rounded masses of varying proportions near the contact of the peridotite with the gneiss and its occurrence in the fresh, as well as the altered, peridotite indicate that the chromite has been held in solution... "
Bulletin - United States Geological Survey - Page 178
by Geological Survey (U.S.) - 1910
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The American Journal of Science, Volumes 157-158

Science - 1899
...little found, and where we find the large deposits of the corundum there is a scarcity of chromite. This constant occurrence of the chromite in rounded masses...near the contact of the peridotite with the gneiss, its occurrence in the fresh as well as in the altered peridotite, indicate that the chromite has been...
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Transactions of the American Institute of Mining, Metallurgical ..., Volume 29

Mineral industries - 1900
...noticeable amount of chromite." 2. "Analyses of the peridotite show 0.5 per cent, of chromic oxide." This constant occurrence of the chromite in rounded masses...mass of the peridotite, when it was intruded into the country-rock, and that it separated out among the first minerals as this mass began to cool. holding...
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The Occurrence and Distribution of Corundum in the United States,

Joseph Hyde Pratt - Corundum - 1901 - 98 pages
...origin of the corundum in the peridotite rocks, and have accepted the theory that the corundum was held in solution in the molten mass of the peridotite...when it was intruded into the country rock, and that as the mass began to cool it was among the first minerals to separate. In these molten magmas the more...
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Bulletin, Issues 267-273

Geology - 1905
...region. THKOKY OF ORIGIN IN 1'EHIDOTITE. The theory advanced in this paper is that the corundum was held in solution in the molten mass of the peridotite...and that it separated out among the first minerals as the mass began to cool. The peridotite magma holding in solution the chemical elements of the different...
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Corundum and the Peridotites of Western North Carolina

Joseph Hyde Pratt, Joseph Volney Lewis - Corundum - 1905 - 464 pages
...noticeable amount of chromite;" (2) "analyses of the peridotite show 0.5 per cent of chromic oxide." The constant occurrence of the chromite in rounded...and that it separated out among the first minerals as this mass began to cool. As has been said on page 344, the peridotite magma, holding in solution...
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Corundum and its occurrence and distribution in the United States: (a rev ...

Joseph Hyde Pratt, Geological Survey (U.S.) - Corundum - 1906 - 175 pages
...region. THEORY OF ORIGIN IN PERIDOTITE. The theory advanced in this paper is that the corundum was held in solution in the molten mass of the peridotite...and that it separated out among the first minerals as the mass began to cooI. The peridotite magma holding in solution the chemical elements of the different...
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The Mineral Industry, Volume 16

Mining industry and finance - 1908
...constant occurrence of the chromite in rounded masses of varying size near the contact of the periclotite with the gneiss, and its occurrence in the fresh, as well as in the altered peridotite, would indicate that the chromite was held in solution in the molten mass...
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Journal of the Elisha Mitchell Scientific Society, Volume 30

Natural history - 1914
...concentrated in alluvial deposits. The masses of chromite show little or no crystalline structure. The constant occurrence of the chromite in rounded...and that it separated out among the first minerals as this mass began to cool. The peridotite (dunite) magma, holding in solution the chemical elements...
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